similar problem
Im also getting a bug with resendTransaction() after a succesful login via Spring Security, with the apr 25 nightly build, as follows:
Uncaught exception escaped : com.google.gwt.core.client.JavaScriptException
(TypeError): _1.$76k is undefined
fileName: http://127.0.0.1:8888/builtinds/sc/modules/ISC_DataBinding.js
lineNumber: 1073
stack: ([object Object])@http://127.0.0.1:8888/builtinds/sc/modules/ISC_DataBinding.js:1073
([object Object],"suspended")@http://127.0.0.1:8888/builtinds/sc/modules/ISC_DataBinding.js:1064
()@http://127.0.0.1:8888/builtinds/sc/modules/ISC_DataBinding.js:1062
()@http://127.0.0.1:8888:122
@:0
([object GWTJavaObject],11993089,[object GWTJavaObject],(void 0),[object GWTJavaObject])@http://127.0.0.1:8888/builtinds/hosted.html?builtinds:56
([object Object],(void 0),[object Object])@http://127.0.0.1:8888:220
((function (rpcResponse, data, rpcRequest) {var responseJ = __gwt_makeJavaInvoke(1)(null, 11862078, rpcResponse);var requestJ = __gwt_makeJavaInvoke(1)(null, 11927615, rpcRequest);if (callback != null) {__gwt_makeJavaInvoke(3)(callback, 11993089, responseJ, data, requestJ);}}),[object Object],[object Object])@http://127.0.0.1:8888:54
@:0
(null,27,(function (rpcResponse, data, rpcRequest) {var responseJ = __gwt_makeJavaInvoke(1)(null, 11862078, rpcResponse);var requestJ = __gwt_makeJavaInvoke(1)(null, 11927615, rpcRequest);if (callback != null) {__gwt_makeJavaInvoke(3)(callback, 11993089, responseJ, data, requestJ);}}),[object Object],[object Object])@http://127.0.0.1:8888/builtinds/hosted.html?builtinds:56
([object Object],(void 0),[object Object])@http://127.0.0.1:8888:25
((function () {return __gwt_makeJavaInvoke(3)(null, 27, jsFunction, this, arguments);}),"rpcResponse,data,rpcRequest",[object Array],[object Object],(void 0))@http://127.0.0.1:8888/builtinds/sc/modules/ISC_Core.js:299
((function () {return __gwt_makeJavaInvoke(3)(null, 27, jsFunction, this, arguments);}),"rpcResponse,data,rpcRequest",[object Array])@http://127.0.0.1:8888/builtinds/sc/modules/ISC_Core.js:391
((function () {return __gwt_makeJavaInvoke(3)(null, 27, jsFunction, this, arguments);}),[object Object],[object Object],(void 0))@http://127.0.0.1:8888/builtinds/sc/modules/ISC_DataBinding.js:1158
([object Object],[object Object])@http://127.0.0.1:8888/builtinds/sc/modules/ISC_DataBinding.js:1163
(1)@http://127.0.0.1:8888/builtinds/sc/modules/ISC_DataBinding.js:1175
([object XMLHttpRequest],1)@http://127.0.0.1:8888/builtinds/sc/modules/ISC_DataBinding.js:1127
(1,"<SCRIPT>//'\"]]>>isc_loginSuccess\n//\n// When doing relogin with a webserver-based authenticator, protect this page with it and\n// target your login attempts at this page such that when the login succeeds, this page is\n// returned.\n//\n// If you are integrating with a web service that returns a fault, paste this entire script\n// block VERBATIM into the fault text.\n\nwhile (!window.isc && document.domain.indexOf(\".\") != -1) {\n try {\n if (parent.isc == null) {\n document.domain = document.domain.replace(/.*?\\./, '');\n continue;\n } \n break;\n } catch (e) {\n document.domain = document.domain.replace(/.*?\\./, '');\n }\n}\n\nvar isc = top.isc ? top.isc : window.opener ? window.opener.isc : null;\nif (isc) isc.RPCManager.delayCall(\"handleLoginSuccess\", [window]);\n</SCRIPT>",(void 0))@http://127.0.0.1:8888/builtinds/sc/modules/ISC_DataBinding.js:1113
anonymous(1,[object XMLHttpRequest])@http://127.0.0.1:8888/builtinds/sc/modules/ISC_Core.js:61
("isc.RPCManager.performTransactionReply(transactionNum,results,wd)","transactionNum,results,wd",[object Array])@http://127.0.0.1:8888/builtinds/sc/modules/ISC_Core.js:299
(1,[object XMLHttpRequest])@http://127.0.0.1:8888/builtinds/sc/modules/ISC_Core.js:1140
anonymous([object XMLHttpRequest])@http://127.0.0.1:8888/builtinds/sc/modules/ISC_Core.js:61
("isc.Comm.performXmlTransactionReply(1, xmlHttpRequest)","xmlHttpRequest",[object Array],[object XPCCrossOriginWrapper],true)@http://127.0.0.1:8888/builtinds/sc/modules/ISC_Core.js:299
([object XMLHttpRequest],"isc.Comm.performXmlTransactionReply(1, xmlHttpRequest)")@http://127.0.0.1:8888/builtinds/sc/modules/ISC_Core.js:1114
([object Event])@http://127.0.0.1:8888/builtinds/sc/modules/ISC_Core.js:1126
See the Development console log for details.
Register a GWT.setUncaughtExceptionHandler(..) for custom uncaught exception handling.